/Engine/Source/Editor/UnrealEd/Public/EditorModeManager.h
Notifies all active modes of keyboard input
Notifies all active modes of keyboard input via a viewport client
bool InputKey ( [FEditorViewportClient](API\Editor\UnrealEd\FEditorViewportClient) * InViewportClient, [FViewport](API\Runtime\Engine\FViewport) * Viewport, [FKey](API\Runtime\InputCore\FKey) Key, EInputEvent Event, bool bRouteToToolsContext )